FURTHER NOTES ON HESPERIID CLASSIFICATION, 



27 



Chief Points for Differentiation of Species. 



2. 



4. 



alveus 



armoricanus 



carlincB 



onopordi 



fritillum 



serratulcB 



carthami 



alveus 



carlince 



onopordi 



serratulcB 



armoricanus 



carthami 



fritillum 



alveus 

 carthami 



carlince 



fritillum 



onopordi 



armoricanus 



serratulcB 



armoricanus 



serratulce 



alveus 



fritillum 



carlince 



onopordi 



carthami 



alveus (pro 



parte) 

 serratulce 

 fritillum 

 carlince 

 onopordi 

 armoricanus 

 carthami 

 alveus (pro 

 parte) 

 6. fritillum 

 carlince 

 onopordi 

 armoricanus 



alveus 



serratula 



carthami 



5. 



r Pronounced prolongation anal angle hind wing. 

 [ Less pronounced. 



|-No prolongation. 



Intradiscoidal spot, upper side fore wing, crescent- 

 shaped. 



Rectilinear {Delahayes mark). 

 -Median band, hind wing under side, broad. 



-Median band narrow. 



Internal edge of spot in space -i 5 of the median 

 band, under side hind wing, rectilinear. (Occa- 

 sional exceptions in alveus and serratulce.)'^ 



Variable. 



Never rectilinear. 



■Under side hind wing, unicolorous. 



-Marbled. 



■ Slightly marbled. 



Nervures, under side hind wing, very distinct. 



-Rather distinct. 



Hardly, or at all. 



■ Not at all. 



p2 



